Merge 120761

Source/WebCore/rendering/RenderObject.cpp

Index: Source/WebCore/rendering/RenderObject.cpp
===================================================================
--- Source/WebCore/rendering/RenderObject.cpp	(revision 122125)
+++ Source/WebCore/rendering/RenderObject.cpp	(working copy)
@@ -724,7 +724,11 @@
     if (!o && isRenderScrollbarPart())
         o = toRenderScrollbarPart(this)->rendererOwningScrollbar();
     if (!isText() && m_style->position() == FixedPosition) {
-        while (o && !o->isRenderView() && !(o->hasTransform() && o->isRenderBlock())) {
+        while (o) {
+            if (o->isRenderView())
+                break;
+            if (o->hasTransform() && o->isRenderBlock())
+                break;
 #if ENABLE(SVG)
             // foreignObject is the containing block for its contents.
             if (o->isSVGForeignObject())
@@ -732,18 +736,24 @@
 #endif
             o = o->parent();
         }
+        ASSERT(!o->isAnonymousBlock());
     } else if (!isText() && m_style->position() == AbsolutePosition) {
-        while (o && (o->style()->position() == StaticPosition || (o->isInline() && !o->isReplaced())) && !o->isRenderView() && !(o->hasTransform() && o->isRenderBlock())) {
+        while (o) {
             // For relpositioned inlines, we return the nearest non-anonymous enclosing block. We don't try
             // to return the inline itself.  This allows us to avoid having a positioned objects
             // list in all RenderInlines and lets us return a strongly-typed RenderBlock* result
             // from this method.  The container() method can actually be used to obtain the
             // inline directly.
+            if (!o->style()->position() == StaticPosition && !(o->isInline() && !o->isReplaced()))
+                break;
+            if (o->isRenderView())
+                break;
+            if (o->hasTransform() && o->isRenderBlock())
+                break;
+
             if (o->style()->position() == RelativePosition && o->isInline() && !o->isReplaced()) {
-                RenderBlock* relPositionedInlineContainingBlock = o->containingBlock();
-                while (relPositionedInlineContainingBlock->isAnonymousBlock())
-                    relPositionedInlineContainingBlock = relPositionedInlineContainingBlock->containingBlock();
-                return relPositionedInlineContainingBlock;
+                o = o->containingBlock();
+                break;
             }
 #if ENABLE(SVG)
             if (o->isSVGForeignObject()) //foreignObject is the containing block for contents inside it
@@ -752,6 +762,9 @@
 
             o = o->parent();
         }
+
+        while (o && o->isAnonymousBlock())
+            o = o->containingBlock();
     } else {
         while (o && ((o->isInline() && !o->isReplaced()) || !o->isRenderBlock()))
             o = o->parent();